vadpcm.h File Reference

#include <stdio.h>

Go to the source code of this file.

Data Structures
struct	ChunkHeader
struct	Chunk
struct	CommonChunk
struct	Marker
struct	Loop
struct	InstrumentChunk
struct	SoundDataChunk
struct	CodeChunk
struct	ALADPCMloop

Macros
#define	BSWAP16(x)   x = __builtin_bswap16(x);
#define	BSWAP32(x)   x = __builtin_bswap32(x);
#define	BSWAP16_MANY(x, n)   { s32 _i; for (_i = 0; _i < n; _i++) BSWAP16((x)[_i]) }
#define	MODE_READ   "rb"
#define	MODE_WRITE   "wb"

Typedefs
typedef signed char	s8
typedef short	s16
typedef int	s32
typedef long long	s64
typedef unsigned char	u8
typedef unsigned short	u16
typedef unsigned int	u32
typedef unsigned long long	u64
typedef float	f32
typedef double	f64

Functions
s32	readcodebook (FILE *fhandle, s32 ****table, s32 *order, s32 *npredictors)
s32	readaifccodebook (FILE *fhandle, s32 ****table, s16 *order, s16 *npredictors)
s32	inner_product (s32 length, s32 *v1, s32 *v2)
s16	qsample (f32 x, s32 scale)
	Compute x / scale rounded to the nearest integer, with x.5 (fuzzy with an epsilon of 1e-7) rounding towards zero. More...
void	clamp (s32 fs, f32 *e, s32 *ie, s32 bits)
	Round all ('fs' many) values in 'e' to the nearest 'bits'-bit integer, outputting to 'ie'. More...
s32	clip (s32 ix, s32 llevel, s32 ulevel)
	Clamp ix to within [llevel, ulevel]. More...
void	vdecodeframe (FILE *ifile, s32 *outp, s32 order, s32 ***coefTable)
void	vencodeframe (FILE *ofile, s16 *inBuffer, s32 *state, s32 ***coefTable, s32 order, s32 npredictors, s32 nsam)
u32	readbits (u32 nbits, FILE *ifile)
char *	ReadPString (FILE *ifile)
s32	lookupMarker (u32 *sample, s16 loopPoint, Marker *markers, s32 nmarkers)
ALADPCMloop *	readlooppoints (FILE *ifile, s16 *nloops)
void	writeout (FILE *outfd, s32 size, s32 *l_out, s32 *r_out, s32 chans)

Macro Definition Documentation

BSWAP16

#define BSWAP16

(

x

)

x = __builtin_bswap16(x);

BSWAP16_MANY

#define BSWAP16_MANY	(		x,
			n
	)		{ s32 _i; for (_i = 0; _i < n; _i++) BSWAP16((x)[_i]) }

BSWAP32

#define BSWAP32

(

x

)

x = __builtin_bswap32(x);

MODE_READ

#define MODE_READ   "rb"

MODE_WRITE

#define MODE_WRITE   "wb"

Typedef Documentation

f32

typedef float f32

f64

typedef double f64

s16

typedef short s16

s32

typedef int s32

s64

typedef long long s64

s8

typedef signed char s8

u16

typedef unsigned short u16

u32

typedef unsigned int u32

u64

typedef unsigned long long u64

u8

typedef unsigned char u8

Function Documentation

clamp()

void clamp	(	s32	fs,
		f32 *	e,
		s32 *	ie,
		s32	bits
	)

Round all ('fs' many) values in 'e' to the nearest 'bits'-bit integer, outputting to 'ie'.

clip()

s32 clip	(	s32	ix,
		s32	llevel,
		s32	ulevel
	)

Clamp ix to within [llevel, ulevel].

inner_product()

s32 inner_product	(	s32	length,
		s32 *	v1,
		s32 *	v2
	)

lookupMarker()

s32 lookupMarker	(	u32 *	sample,
		s16	loopPoint,
		Marker *	markers,
		s32	nmarkers
	)

qsample()

s16 qsample	(	f32	x,
		s32	scale
	)

Compute x / scale rounded to the nearest integer, with x.5 (fuzzy with an epsilon of 1e-7) rounding towards zero.

readaifccodebook()

s32 readaifccodebook	(	FILE *	fhandle,
		s32 ****	table,
		s16 *	order,
		s16 *	npredictors
	)

readbits()

u32 readbits	(	u32	nbits,
		FILE *	ifile
	)

readcodebook()

s32 readcodebook	(	FILE *	fhandle,
		s32 ****	table,
		s32 *	order,
		s32 *	npredictors
	)

readlooppoints()

ALADPCMloop* readlooppoints	(	FILE *	ifile,
		s16 *	nloops
	)

ReadPString()

char* ReadPString

(

FILE *

ifile

)

vdecodeframe()

void vdecodeframe	(	FILE *	ifile,
		s32 *	outp,
		s32	order,
		s32 ***	coefTable
	)

vencodeframe()

void vencodeframe	(	FILE *	ofile,
		s16 *	inBuffer,
		s32 *	state,
		s32 ***	coefTable,
		s32	order,
		s32	npredictors,
		s32	nsam
	)

writeout()

void writeout	(	FILE *	outfd,
		s32	size,
		s32 *	l_out,
		s32 *	r_out,
		s32	chans
	)